STPP

Molecular Formular: Na5P3O10

Spec.:

 

Items	Index
	Tech. Grade	Food Grade
Na5P3O10 (%):	94%Min	95%Min
P2O5 (%):	57%Max	57%Max
Insolubles in water (%):	0.15%Max	0.05%Max
Fe (%):	0.01%Max	0.01%Max
Ph (1% solution):	9.2-10	9.5-10
Heavy Metal (As Pb) (%):		0.001%Max
Arsenic (As) (%):		0.0003%Max
Fluoride(F) (%):		0.003%Max
Whiteness(%):	90%Min	90%Min

Packing: In 25kg/1000kg net each PP/PE bag

 

 

Property:

White powder or granular; Easily soluble in water; It has got salient chelating capacity to Ca and Mg ions. and can soften hard water to make suspension solution become into clear solution; It has got weak alkalinity but no corrosiveness. It is a surfactant, and has got outstanding emulsification to lubricants and fat.

Uses:

Used in detergent, synergist for soap; water softener; tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.